<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
 *
 * @version $Id: transformation_wrapper.php 10240 2007-04-01 11:02:46Z cybot_tm $
 */

/**
 *
 */
define('IS_TRANSFORMATION_WRAPPER', true);

/**
 * Gets a core script and starts output buffering work
 */
require_once './libraries/common.inc.php';
require_once './libraries/relation.lib.php'; // foreign keys
require_once './libraries/transformations.lib.php'; // Transformations
$cfgRelation = PMA_getRelationsParam();

/**
 * Ensures db and table are valid, else moves to the "parent" script
 */
require_once './libraries/db_table_exists.lib.php';


/**
 * Get the list of the fields of the current table
 */
PMA_DBI_select_db($db);
$table_def = PMA_DBI_query('SHOW FIELDS FROM ' . PMA_backquote($table), null, PMA_DBI_QUERY_STORE);
if (isset($primary_key)) {
	$result	  = PMA_DBI_query('SELECT * FROM ' . PMA_backquote($table) . ' WHERE ' . $primary_key . ';', null, PMA_DBI_QUERY_STORE);
	$row		 = PMA_DBI_fetch_assoc($result);
} else {
	$result	  = PMA_DBI_query('SELECT * FROM ' . PMA_backquote($table) . ' LIMIT 1;', null, PMA_DBI_QUERY_STORE);
	$row		 = PMA_DBI_fetch_assoc($result);
}

// No row returned
if (!$row) {
	exit;
} // end if (no record returned)

$default_ct = 'application/octet-stream';

if ($cfgRelation['commwork'] && $cfgRelation['mimework']) {
	$mime_map = PMA_getMime($db, $table);
	$mime_options = PMA_transformation_getOptions((isset($mime_map[urldecode($transform_key)]['transformation_options']) ? $mime_map[urldecode($transform_key)]['transformation_options'] : ''));

	foreach ($mime_options AS $key => $option) {
		if (substr($option, 0, 10) == '; charset=') {
			$mime_options['charset'] = $option;
		}
	}
}

// garvin: For re-usability, moved http-headers and stylesheets
// to a seperate file. It can now be included by libraries/header.inc.php,
// querywindow.php.

require_once './libraries/header_http.inc.php';
// [MIME]
if (isset($ct) && !empty($ct)) {
	$content_type = 'Content-Type: ' . urldecode($ct);
} else {
	$content_type = 'Content-Type: ' . (isset($mime_map[urldecode($transform_key)]['mimetype']) ? str_replace('_', '/', $mime_map[urldecode($transform_key)]['mimetype']) : $default_ct) . (isset($mime_options['charset']) ? $mime_options['charset'] : '');
}
header($content_type);

if (isset($cn) && !empty($cn)) {
	header('Content-Disposition: attachment; filename=' . urldecode($cn));
}

if (!isset($resize)) {
	echo $row[urldecode($transform_key)];
} else {
	// if image_*__inline.inc.php finds that we can resize,
	// it sets $resize to jpeg or png

	$srcImage = imagecreatefromstring($row[urldecode($transform_key)]);
	$srcWidth = ImageSX($srcImage);
	$srcHeight = ImageSY($srcImage);

	// Check to see if the width > height or if width < height
	// if so adjust accordingly to make sure the image
	// stays smaller then the $newWidth and $newHeight

	$ratioWidth = $srcWidth/$newWidth;
	$ratioHeight = $srcHeight/$newHeight;

	if ($ratioWidth < $ratioHeight){
		$destWidth = $srcWidth/$ratioHeight;
		$destHeight = $newHeight;
	} else {
		$destWidth = $newWidth;
		$destHeight = $srcHeight/$ratioWidth;
	}

	if ($resize) {
		$destImage = ImageCreateTrueColor($destWidth, $destHeight);
	}

//	ImageCopyResized($destImage, $srcImage, 0, 0, 0, 0, $destWidth, $destHeight, $srcWidth, $srcHeight);
// better quality but slower:
	ImageCopyResampled($destImage, $srcImage, 0, 0, 0, 0, $destWidth, $destHeight, $srcWidth, $srcHeight);

	if ($resize == 'jpeg') {
		ImageJPEG($destImage, '', 75);
	}
	if ($resize == 'png') {
		ImagePNG($destImage);
	}
	ImageDestroy($srcImage);
	ImageDestroy($destImage);
}

/**
 * Close MySql non-persistent connections
 */
if (isset($GLOBALS['controllink']) && $GLOBALS['controllink']) {
	@PMA_DBI_close($GLOBALS['controllink']);
}
if (isset($GLOBALS['userlink']) && $GLOBALS['userlink']) {
	@PMA_DBI_close($GLOBALS['userlink']);
}
?>
